MindlinRollingTorsionInteraction.h

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//Copyright (c) 2013-2017, The MercuryDPM Developers Team. All rights reserved.
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#ifndef MindlinRollingTorsionInteraction_H
#define MindlinRollingTorsionInteraction_H

#include "MindlinInteraction.h"
#include "Math/Vector.h"

class BaseParticle;
class MindlinRollingTorsionSpecies;
class BaseInteractable;
class MindlinRollingTorsionInteraction : public MindlinInteraction
{
public:
    typedef MindlinRollingTorsionSpecies SpeciesType;
    MindlinRollingTorsionInteraction(BaseInteractable* P, BaseInteractable* I, unsigned timeStamp);
    
    //used for mpi
    MindlinRollingTorsionInteraction();
    
    MindlinRollingTorsionInteraction(const MindlinRollingTorsionInteraction &p);
    virtual ~MindlinRollingTorsionInteraction();
    void computeFrictionForce();
    void read(std::istream& is) override;
    void write(std::ostream& os) const override;
    void integrate(Mdouble timeStep) override;
    Mdouble getElasticEnergy() const override;
    std::string getBaseName() const;
    const MindlinRollingTorsionSpecies* getSpecies() const;
    void reverseHistory() override;

    void rotateHistory(Matrix3D& rotationMatrix) override;

    Vec3D getRollingSpring() const;
    
    Vec3D getTorsionSpring() const;
    
    void setRollingSpring(Vec3D rollingSpring);
    
    void setTorsionSpring(Vec3D torsionSpring);
    
private:
    Vec3D rollingSpring_;
    Vec3D rollingSpringVelocity_;
    Vec3D torsionSpring_;
    Vec3D torsionSpringVelocity_;
};
#endif